MTI Bio-Ag, a Minerals Technologies Company, is the premier supplier of humic acid and clay products used in agriculture, horticulture, and turf markets.

Our humic acid products are manufactured from the richest Leonardite mine located at our plant site in Gascoyne, North Dakota, USA. Our product offerings range from ingredient bulk products used in blending, extracting and formulation processes to fully formulated products that can be applied directly by foliar, spray or drip irrigation methods

Our bentonite clay products are used as an animal feed supplement and as a pelletizing aid in the production of animal feed pellets, as well as a flow ability aid for unconsolidated feed ingredients such as soy meal. Likewise, our highly performing clay additives are used as an ion exchanger for improvement and conditioning of the soil. When thermally treated, clay additives can be used as a porous ceramic carrier for various herbicides and pesticides.

At MTI, we adhere to a strict manufacturing process which ensures products remain in its purest form from production through packaging. Our global logistic network transports these quality products to locations throughout the world adhering to all regulatory requirements.